问题 不定项选择

如图所示,甲、乙两平面波是振幅相同的相干波,甲波沿x轴正方向传播,乙波沿y轴正方向传播,图中实线表示某一时刻的波峰位置,虚线表示波谷位置,对图中正方形中央的a、b、c、d四点的振动情况,正确的判断是

[ ]

A.a、b点振动加强,c、d点振动减弱

B.a、c点振动加强,b、d点振动减弱

C.a、d点振动加强,b、c点振动减弱

D.a、b、c、d点的振动都加强

答案

答案:B

完形填空

第二节完形填空(共20小题;每小题1.5分,共30分)

阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。   

"How did you do it, Dad? How have you  36  to not take a drink for almost 20 years?" It took me almost 20 years to have the___ 37___to even ask my father this very personal question. When Dad first   38    drinking, the whole family was on pins and needles every time he 39   a situation that, in the past, would have   40   him drinking again. For a few years we were afraid to bring it up   41   the drinking would begin again.

"I had this little poem that I   42  recite to myself at least four to five times a day," was Dad's reply to my 18-year-old   43   question. "The words were an instant relief and constant 44   to me that things were never so   45   that I could not handle them," Dad said. And then he 46   the poem with me. The poem's simple, yet profound words immediately became part of my daily 47   as well.

About a month after this talk with my father, I   48   a gift in the mail from a friend of mine. It was a book of daily affirmations (誓词)with one affirmation   49   for each day of the year.

It has been my experience that when you get   50   with days of the year on it, you automatically turn to the   51   that lists your own birthday.

I   52   opened the book to November 10 to   53   what words of wisdom this book had in store for me. I did a double-take and tears of   54   and appreciation rolled down my face. There, on my birthday, was the   55   same poem that had helped my father for all these years! It is called the Serenity (安详)Prayer:

God, grant me the Serenity to accept the things I cannot change; the Courage to change the things I can; and the Wisdom to know the difference.

36. A. prepared       B. promised       C. managed     D. performed

37. A. courage        B. opportunity     C. inspiration     D. reason

38. A. began         B. avoided        C. permitted      D. quit

39. A. got away with   B. got into        C. got down to    D. got through

40. A. forbade        B. started         C. attracted       D. caused

41. A. for fear        B. for sure        C. so that         D. otherwise

42. A. should         B. might         C. would         D. had to

43. A. unanswered     B.unasked        C. unexpected     D. unwelcome

44. A. prayer         B. performer      C. inspector       D. reminder

45. A. rough         B. severe          C. tough         D. urgent

46. A. created        B. explained       C. spared         D. shared

47. A. schedule       B. routine         C. habits        D. customs

48. A. mistook       B. posted          C. accepted       D. received

49. A. copied        B. presented        C. listed          D. printed

50. A. something     B. anything        C. everything      D. nothing

51. A. date          B. page           C. matters         D. problems

52. A. doubtedly      B. eventually       C. patiently        D. hurriedly

53. A. see           B. recite           C. repeat          D. forecast

54. A. sadness        B. loneliness       C. disbelief        D. belief

55. A. exact          B. correct         C. almost          D. much

名词解释